Malocclusion
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Adult, healthy, no systemic disease; (2) The tooth shape was good, the crown height was sufficient, no bad restoration, no dentition defect; (3) There was no crowding or slight crowding in the posterior segment; (4) The plan is non extraction orthodontic treatment, which requires maxillary or mandibular molar distalization, and the third molar does not exist or has been extracted.
Exclusion criteria
Exclusion criteria: (1) Those who are allergic to the materials of orthodontic hot pressing film; (2) Cleft lip and palate patients, or other jaw dysplasia patients; (3) Patients with history of temporomandibular joint disorders; (4) Patients who can not wear the appliance on time; (5) Patients with periodontal disease or poor periodontal condition.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Molar movement distance;get the space; | — |
Countries
China
Contacts
Shanghai Stomatological Hospital Fudan University